Technical Parameters (EC20-8LC-NT) Model: EC20-8LC-NT Product Type: 8-Channel PID Control / Loop Control Expansion Module Compatible PLC Series: EC20 Series PLC Number of Control Loops: 8 independent PID loops Control Algorithms: P, PI, PID, with optional feed-forward and anti-windup Auto-Tuning: Built-in auto-tuning function for automatic PID parameter optimization Loop Update Rate: Fast update rate (typically <100ms per loop) Control Output Types: Analog (voltage/current), time-proportional (PWM), or on/off Analog Inputs: 8 channels (integrated for process variable feedback) Input Types: Voltage (0-10V, 0-5V) or Current (0-20mA, 4-20mA) - selectable Resolution: 12-bit to 16-bit (typical) Accuracy: ±0.5% of full scale (typical) Sampling Rate: Fast sampling for responsive control Analog Outputs: 8 channels (integrated for control signal output) Output Types: Voltage (0-10V) or Current (0-20mA, 4-20mA) - selectable Resolution: 12-bit to 14-bit (typical) Accuracy: ±0.5% of full scale (typical) Settling Time: Fast settling for responsive control Digital Inputs: Possible dedicated inputs for loop enable, manual/auto switching Digital Outputs: Possible dedicated outputs for alarm, loop status Isolation: Photocoupler isolation between control circuits and PLC internal circuits Indicators: Power LED, module status LED, per-loop status LEDs (optional) Expansion Bus Connection: Via EC20 expansion connector (daisy-chain) Power Supply: Supplied from EC20 CPU via expansion bus (typically 5V DC and 24V DC) Power Consumption: Moderate power consumption (typically <2W) Terminals: Pluggable screw terminal blocks Protection Class: IP20 (requires enclosure for installation) Operating Temperature: 0°C to +55°C Storage Temperature: -20°C to +70°C Humidity: 5% to 95% RH (non-condensing) Dimensions (H x W x D): Approx. 130 mm x 50 mm x 100 mm (5.1" x 2.0" x 3.9") - typical expansion module size Weight: Approx. 0.2 kg (0.44 lbs) Standards: CE, RoHS, compliant with EC20 system specifications